Association between Household Exposure to Secondhand Smoke and Dental Caries among Japanese Young Adults: A Cross-Sectional Study

Hikari Saho, Ayano Taniguchi-Tabata, Daisuke Ekuni, Aya Yokoi, Kouta Kataoka, Daiki Fukuhara, Naoki Toyama, Md Monirul Islam, Nanami Sawada, Yukiho Nakashima, Momoko Nakahara, Junya Deguchi, Yoko Uchida-Fukuhara, Toshiki Yoneda, Yoshiaki Iwasaki and Manabu Morita
Additional contact information
Hikari Saho: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Ayano Taniguchi-Tabata: Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan
Daisuke Ekuni: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Aya Yokoi: Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan
Kouta Kataoka: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Daiki Fukuhara: Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan
Naoki Toyama: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Md Monirul Islam: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Nanami Sawada: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Yukiho Nakashima: Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan
Momoko Nakahara: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Junya Deguchi: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Yoko Uchida-Fukuhara: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Toshiki Yoneda: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
Yoshiaki Iwasaki: Health Service Center, Okayama University, Okayama 700-8530, Japan
Manabu Morita: Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan

IJERPH, 2020, vol. 17, issue 22, 1-9

Abstract: The long-term effects of secondhand smoke (SHS) on dental caries among Japanese young adults remain unclear. The purpose of this cross-sectional study was to evaluate whether household exposure to SHS is associated with dental caries in permanent dentition among Japanese young adults. The study sample included 1905 first-year university students (age range: 18–19 years) who answered a questionnaire and participated in oral examinations. The degree of household exposure to SHS was categorized into four levels according to the SHS duration: no experience (−), past, current SHS < 10 years, and current SHS ≥ 10 years. Dental caries are expressed as the total number of decayed, missing, and filled teeth (DMFT) score. The relationships between SHS and dental caries were determined by logistic regression analysis. DMFT scores (median (25th percentile, 75th percentile)) were significantly higher in the current SHS ≥ 10 years (median: 1.0 (0.0, 3.0)) than in the SHS—(median: 0.0 (0.0, 2.0)); p = 0.001). DMFT ≥ 1 was significantly associated with SHS ≥ 10 years (adjusted odds ratio: 1.50, 95% confidence interval: 1.20–1.87, p < 0.001). Long-term exposure to SHS (≥10 years) was associated with dental caries in permanent dentition among Japanese young adults.

Keywords: secondhand smoke; dental caries; permanent dentition; young adult (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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